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From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [Xen-devel] [PATCH 5/9] ARM: Xen: fix initial build problems:
Date: Tue, 9 Oct 2012 15:39:46 +0000	[thread overview]
Message-ID: <201210091539.46274.arnd@arndb.de> (raw)
In-Reply-To: <1349796958.21847.219.camel@zakaz.uk.xensource.com>

On Tuesday 09 October 2012, Ian Campbell wrote:
> > * The tmem hypercall is not available on ARM
> > 
> > * ARMv6 does not support cmpxchg on 16-bit words that are used in the
> 
> missing the end of this sentence?

Right, I meant to say 

* ARMv6 does not support cmpxchg on 16-bit words that are used in the
  Xen grant table code, so we must ensure that Xen support is only built
  on ARMv7-only kernels not combined ARMv6/v7 kernels.

This should be fixed differently in the future.

	Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [Xen-devel] [PATCH 5/9] ARM: Xen: fix initial build problems:
Date: Tue, 9 Oct 2012 15:39:46 +0000	[thread overview]
Message-ID: <201210091539.46274.arnd@arndb.de> (raw)
In-Reply-To: <1349796958.21847.219.camel@zakaz.uk.xensource.com>

On Tuesday 09 October 2012, Ian Campbell wrote:
> > * The tmem hypercall is not available on ARM
> > 
> > * ARMv6 does not support cmpxchg on 16-bit words that are used in the
> 
> missing the end of this sentence?

Right, I meant to say 

* ARMv6 does not support cmpxchg on 16-bit words that are used in the
  Xen grant table code, so we must ensure that Xen support is only built
  on ARMv7-only kernels not combined ARMv6/v7 kernels.

This should be fixed differently in the future.

	Arnd

  reply	other threads:[~2012-10-09 15:39 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-09 15:22 [GIT PULL 0/9] ARM architecture fixes for 3.7 Arnd Bergmann
2012-10-09 15:22 ` Arnd Bergmann
2012-10-09 15:22 ` Arnd Bergmann
2012-10-09 15:22 ` [PATCH 1/9] ARM: kprobes: make more tests conditional Arnd Bergmann
2012-10-09 15:22   ` Arnd Bergmann
2012-10-09 15:22 ` [PATCH 2/9] ARM: export set_irq_flags Arnd Bergmann
2012-10-09 15:22   ` Arnd Bergmann
2012-10-09 16:20   ` Thomas Gleixner
2012-10-09 16:20     ` Thomas Gleixner
2012-10-10  6:42   ` Linus Walleij
2012-10-10  6:42     ` Linus Walleij
2012-10-09 15:22 ` [PATCH 3/9] ARM: Fix another build warning in arch/arm/mm/alignment.c Arnd Bergmann
2012-10-09 15:22   ` Arnd Bergmann
2012-10-09 15:22 ` [PATCH 4/9] ARM: export default read_current_timer Arnd Bergmann
2012-10-09 15:22   ` Arnd Bergmann
2012-10-09 15:40   ` Jonathan Austin
2012-10-09 15:40     ` Jonathan Austin
2012-10-09 16:06     ` Russell King - ARM Linux
2012-10-09 16:06       ` Russell King - ARM Linux
2012-10-18  8:43       ` Alexander Holler
2012-10-18  8:43         ` Alexander Holler
2012-10-09 15:22 ` [PATCH 5/9] ARM: Xen: fix initial build problems: Arnd Bergmann
2012-10-09 15:22   ` Arnd Bergmann
2012-10-09 15:35   ` [Xen-devel] " Ian Campbell
2012-10-09 15:35     ` Ian Campbell
2012-10-09 15:39     ` Arnd Bergmann [this message]
2012-10-09 15:39       ` Arnd Bergmann
2012-10-09 16:10       ` Ian Campbell
2012-10-09 16:10         ` Ian Campbell
2012-10-09 18:19         ` Arnd Bergmann
2012-10-09 18:19           ` Arnd Bergmann
2012-10-10  9:46           ` Ian Campbell
2012-10-10  9:46             ` Ian Campbell
2012-10-10 11:07             ` Arnd Bergmann
2012-10-10 11:07               ` Arnd Bergmann
2012-10-09 19:24     ` Dan Magenheimer
2012-10-10  7:53       ` Ian Campbell
2012-10-10 14:51         ` Stefano Stabellini
2012-10-09 15:37   ` Stefano Stabellini
2012-10-09 15:37     ` Stefano Stabellini
2012-10-09 18:21     ` Arnd Bergmann
2012-10-09 18:21       ` Arnd Bergmann
2012-10-10  7:54       ` [Xen-devel] " Ian Campbell
2012-10-10  7:54         ` Ian Campbell
2012-10-10 14:47         ` Stefano Stabellini
2012-10-10 14:47           ` Stefano Stabellini
2012-10-10 14:53           ` Ian Campbell
2012-10-10 14:53             ` Ian Campbell
2012-10-10 16:01             ` Stefano Stabellini
2012-10-10 16:01               ` Stefano Stabellini
2012-10-09 16:04   ` Russell King - ARM Linux
2012-10-09 16:04     ` Russell King - ARM Linux
2012-10-09 15:23 ` [PATCH 6/9] ARM: pass -marm to gcc by default for both C and assembler Arnd Bergmann
2012-10-09 15:23   ` Arnd Bergmann
2012-10-09 17:27   ` Dave Martin
2012-10-09 17:27     ` Dave Martin
2012-10-09 15:23 ` [PATCH 7/9] ARM: be really quiet when building with 'make -s' Arnd Bergmann
2012-10-09 15:23   ` Arnd Bergmann
2012-10-09 15:23 ` [PATCH 8/9] ARM: binfmt_flat: unused variable 'persistent' Arnd Bergmann
2012-10-09 15:23   ` Arnd Bergmann
2012-10-09 15:23 ` [PATCH 9/9] ARM: warnings in arch/arm/include/asm/uaccess.h Arnd Bergmann
2012-10-09 15:23   ` Arnd Bergmann
2012-10-09 16:08 ` [GIT PULL 0/9] ARM architecture fixes for 3.7 Russell King - ARM Linux
2012-10-09 16:08   ` Russell King - ARM Linux
2012-10-09 17:06   ` Stefano Stabellini
2012-10-09 17:06     ` Stefano Stabellini
2012-10-09 17:06     ` Stefano Stabellini
2012-10-09 18:40   ` Arnd Bergmann
2012-10-09 18:40     ` Arnd Bergmann
2012-10-10 14:58     ` Stefano Stabellini
2012-10-10 14:58       ` Stefano Stabellini
2012-10-10 14:58       ` Stefano Stabellini
2012-10-12 13:20     ` Will Deacon
2012-10-12 13:20       ` Will Deacon
2012-10-12 13:20       ` Will Deacon

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